Podcast
Questions and Answers
What is the main function of fibrinogen in the hemostatic process?
What is the main function of fibrinogen in the hemostatic process?
- Providing the reaction surface on which clotting reactions occur
- Acting as a ligand between platelets during platelet aggregation
- Serving as a substrate for thrombin that forms the fibrin clot (correct)
- Contracting to constrict and limit clot size
Which factor is measured in the intrinsic (surface activation) pathway of PT PTT tests?
Which factor is measured in the intrinsic (surface activation) pathway of PT PTT tests?
- Factor VII
- Factor IX (correct)
- Factor V
- Factor X
What is the primary hemostatic mechanism associated with platelet plug formation in the hemostatic process?
What is the primary hemostatic mechanism associated with platelet plug formation in the hemostatic process?
- Fibrin thrombus formation
- Vasoconstriction
- Extrinsic pathway
- Platelet phase (correct)
What is the main function of platelets in the hemostatic process?
What is the main function of platelets in the hemostatic process?
What is the purpose of the initial lab tests mentioned in the text?
What is the purpose of the initial lab tests mentioned in the text?
What is a systematic approach for reaching a more precise clinical diagnosis when evaluating a child with a bleeding disorder?
What is a systematic approach for reaching a more precise clinical diagnosis when evaluating a child with a bleeding disorder?
Which coagulation assays measure the intrinsic and extrinsic pathways?
Which coagulation assays measure the intrinsic and extrinsic pathways?
What could be inferred from an initial screen showing increased PT and PTT with normal platelet count?
What could be inferred from an initial screen showing increased PT and PTT with normal platelet count?
What is the normal range for Prothrombin Time Tests (PT) mentioned in the text?
What is the normal range for Prothrombin Time Tests (PT) mentioned in the text?
Which of the following is a helpful clinical feature in evaluating bleeding disorders, as per the text?
Which of the following is a helpful clinical feature in evaluating bleeding disorders, as per the text?